1. Project 25 FDMA Common Air Interface Description. Number TIA-102.BAAA-A. Telecommunications Industry Association, 2500 Wilson Boulevard, Arlington, VA 22201, USA (September 2003)
2. GNU Radio. Project website,
http://www.gnuradio.org
3. Ettus research llc, Company website,
http://www.ettus.com
4. Glass, S., Muthukkumarasamy, V., Portmann, M.: A software-defined radio receiver for APCO Project 25 signals. In: IWCMC 2009: Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing, pp. 67–72. ACM, New York (2009)
5. Project 25 — Digital Land Mobile Radio — Link Layer Authentication. Number TIA-102.AACE. Telecommunications Industry Association, 2500 Wilson Boulevard, Arlington, VA 22201, USA (December 2005)